#!/bin/ksh
#
#    Madd ( Multiple User Add ) Solaris ( useradd ) 
#  _______________________________________________________
#
#   Add Multiple Users at From a Text File.
#   
#    This Script Add Users from a flat text file
# and then mail each user added with account information
# an example text file is in the form of...
#
#     Firstname:lastname:username:email@addr.com 
#  ex:
#      Joe:Shmoe:jsmoe:jsmoe@mycompany.com
#      Guy:Brown:gbrown:guyb@somewhere.com
#      [...]
#
#    When the Acount is Created For Each user The user
#  is Forced to change The password when they first Login. This is Accomplished 
#  By setting the /etc/shadow passwd age Hash to 0. The /etc/shadow file
#  is Copied to a Directory specified in the Configuration options and
#  then Copied back to /etc/shadow. The Backup is never removed and is chmod'd
#  000 for security sake. 
#
#   You will need to modify the User Configuration Options Below to
#  Suit Your Particular Enviornment.
#
#    The One Time Default Password is set by the Variable ( DFPASS )
#  Below. To get the encryped Hash for the $DFPASS you will need to 
#  Do this on your own. and set the Variable $EDFPASS Below. 
# 
#    This has been written for Solirs. 
#
#       Usage:  ./madd < userinfofile >
# 
#    -- NoCoNFLiC 
#



######################################## 
#
#  Configuration Options 
#

# Location of cp and chmod 
CHMOD=/usr/bin/chmod
COPY=/usr/bin/cp

# Location of cat
CAT=/usr/bin/cat

# Mode for Backup file
MODE=000

# Users Group
GRP=staff

# Location Of useradd command
ADDCMD=/usr/sbin/useradd

# Users Home Directory
HOMEDIR=/export/home

# How many Days Allowed Between Logins Until Account 
# Is Declaried Invalid
DAYS=30

# Location of skel files
SKELDIR=/etc/skel

# Users Shell
DFSHELL=/usr/local/bin/tcsh

# User to send Log File to
MAILTO=root

# Return Mail Address
RETERN=root@whereever.com

# Log File Name
LOGF=madd.log

# Location of mail Program
MAILR=/usr/bin/mailx

# Shadow file
SHADOWF=/etc/shadow

# Back-up Shadow File Name & Location
SHADOWT=/adm/Usermait/shadow.bak

# One Time Password mailed to User.
DFPASS=Ch@nG31T

# Encryped Hash of One Time Password
EDFPASS=HHYw/Z1ptuubc

# Hostname & IP
# Of Localhost
HOST=hostname
IP1=192.168.1.1

# Date
DATE=`/usr/bin/date`
 
# Check to make sure ROOT Runs this Script
ID=`/usr/xpg4/bin/id -u`

#
#########################################


#################################################
#
#   You Shouldn't Have to Change anything Below
# Unless You want to Port this to another O/S ;-)
#
#################################################

if [ $# -ne 1 ]; then
        
echo "Usage: $0 < usr-filename > " 

 exit 1
fi

if [ ${ID} -ne 0 ]; then

echo "Error: You Must Be Root!"

 exit 1
fi

echo
echo "-------------------------"
echo
echo " Mass Add v.0.1"
echo " -- NoCoNFLiC 01/08/01"
echo
echo "-------------------------"

sleep 2

function mailinfo {

cat << EOF

${FIRST} ${LAST},

 Your Shell Account has been created. When You first login you will be forced 
to change your password. Please Login ASAP. 

Server: ${HOST} 
IP: ${IP1}
Username: ${UNAME}
Temp Pass: ${DFPASS} 

 If you have any questions or problems contact:

E: ${RETERN} 
 
Thank You.
Unix Admin
EOF
}

X=0
UFILE=${1}
NUM=`wc -l ${UFILE} | awk '{print $1}'`

echo
echo "Verifying That Usernames Are Not Already In Use..."
echo
sleep 1

while [ ${X} -ne ${NUM} ]
 do

UNAME=`cut -d: -f3 ${UFILE} | awk 'NR == '${NUM}'`

if [ "`grep ${UNAME} ${SHADOWF} | cut -d: -f1`" = "${UNAME}" ]; then      
        echo 
        echo "Username ${UNAME} already in use.  Choose another"
        echo "ERROR: Cannot Continue!"
        echo
        exit 1 
fi

if [ -d ${HOMEDIR}/${UNAME} ]; then
        echo 
        echo "Directory ${HOMEDIR}/${UNAME} already exists." 
        echo "You Will Have To Remove This Directory First Before Adding The User: ${UNAME}."
        echo "ERROR: Cannot Continue!"
        echo
       exit 1
fi   

echo "${UNAME} ( OK )"
sleep 1

    NUM=$(( ${NUM} -1 ))
done

echo
echo "All Checks Passed!"
echo "Adding Users...."
echo
sleep 2

if [ -f ${SHADOWT} ]; then

      ${CHMOD} 777 ${SHADOWT}
fi
 
NUM=`wc -l ${UFILE} | awk '{print $1}'`

${COPY} ${SHADOWF} ${SHADOWT}
${CHMOD} 777 ${SHADOWT}


while [ ${X} -ne ${NUM} ]
 do

FIRST=`cut -d: -f1 ${UFILE} | awk 'NR == '${NUM}'`
LAST=`cut -d: -f2 ${UFILE} | awk 'NR == '${NUM}'`
UNAME=`cut -d: -f3 ${UFILE} | awk 'NR == '${NUM}'`
UEMAIL=`cut -d: -f4 ${UFILE} | awk 'NR == '${NUM}'`

${ADDCMD} -d ${HOMEDIR}/${UNAME}  -g ${GRP} -m -k ${SKELDIR} -f ${DAYS} -s ${DFSHELL} -c "${FIRST} ${LAST}" ${UNAME}  

 echo "${UNAME}:${EDFPASS}:0::::${DAYS}::" >> ${SHADOWT} 
 echo "${UNAME}: Added.." 
 echo ${UNAME}: Added. to ${HOST} on ${DATE} >> ${LOGF}

mailinfo | ${MAILR} -s "Your Shell Account Information" -r ${RETERN} ${UEMAIL}

sleep 1
 
     NUM=$(( ${NUM} -1 ))

done


echo
echo " Cleaning Up...."

${COPY} ${SHADOWT} ${SHADOWF}
${CHMOD} ${MODE} ${SHADOWT}
ls -al ${SHADOWT} >> ${LOGF}
${CAT} ${LOGF} | ${MAILR} -s "Mass User Add Logfile" ${MAILTO}
sleep 1
rm ${LOGF}

sleep 2

${CHMOD} ${MODE} ${SHADOWT}

echo
echo "Done."
echo 
echo "Mail has been sent to all users with account information."
echo " ${LOGF} Output Mailed to ${MAILTO}"
echo "~Fin~"
echo